Supported media file formats

MSL 4 supports these segment types and extensions.

Type	Extensions
Audio	`.aac`, `.cmfa`, `.m4s`, `.m4a`, `.mp4`, `.mp4a`
Audio Codec	`.ac3`
Enhanced Audio Codec	`.ec3`
Fragmented Media	`.fmp4`
IMSC1 Subtitle	`.cmft`
Manifest	`.m3u8`, `.mpd`
Video	`.cmfv`, `.m4s`, `.m4v`, `.mp4`, `.mp4v`
Video Transport Stream	`.ts`
WebVTT, Subtitle	`.webvtt`, `.vtt`
XML-based caption codec	`.smpte-tt`

Updated about 3 years ago